Home / 34,858.47-52,324.56-21,720.07

Finding the Fourth Proportional to 34,858.47, 52,324.56 and 21,720.07

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Solution

The fourth proportional to 34,858.47, 52,324.56 and 21,720.07 is: 32,603.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,858.47 : 52,324.56 = 21,720.07 : x
  2. Step 2: Convert to fraction form
    34,858.47/52,324.56 = 21,720.07/x
  3. Step 3: Cross multiply
    34,858.47x = 52,324.56 × 21,720.07
  4. Step 4: Simplify right side
    34,858.47x = 1,136,493,105.92
  5. Step 5: Solve for x
    x = 1,136,493,105.92/34,858.47
  6. Step 6: Final answer
    x = 32,603.07

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.